DMM800 Series Performance Verification
22
Handheld and Benchtop Instruments Basic Service
DMM850 Test Records
Serial Number Procedure performed by Date
DMM850 Test Record
Test Input Tolerance Display Minimum Reading Display Maximum
AC Volts Test
1,2
3.6000 V
60 Hz
±0.8% + 40 counts
3.5672 V
3.6328 V
500 Hz
±2.0% + 40 counts
3.5240 V
3.6760 V
10 kHz
±3.5% + 40 counts
3.4700 V
3.7300 V
36.000 V
500 Hz
±2.0% + 40 counts
35.240 V
36.760 V
ÁÁÁ
ÁÁÁ
10 kHz
ÁÁÁÁ
±3.5% + 40 counts
ÁÁÁÁÁ
34.700 V
ÁÁÁÁÁÁÁ
ÁÁÁÁ
37.300 V
360.00 V
500 Hz
±2.0% + 40 counts
352.40 V
367.60 V
10 kHz
±3.5% + 40 counts
347.00 V
373.00 V
750.0 V
3
60 Hz
±0.8% + 40 counts
740.0 V
760.0 V
1
Verify the proper DMM range (5 display digits); use the manual range if necessary. The 750 V range displays 4 digits.
2
The upper display readout is ±2 counts corresponding to the input frequency.
3
750 V range not specified above 100 Hz.
DC Volts Test
0.0000 V
±0.1% + 10 counts
–0.0010 V
0.0010 V
3.6000 V
±0.1% + 10 counts
3.5954 V
3.6046 V
–3.6000 V
±0.1% + 10 counts
–3.6046 V
–3.5954 V
36.000 V
±0.1% + 10 counts
35.954 V
36.046 V
360.00 V
±0.1% + 10 counts
359.54 V
360.46 V
1000.0 V
±0.1% + 10 counts
998.0 V
1002.0 V
ÁÁÁÁÁÁÁ
–1000.0 V
ÁÁÁÁ
±0.1% + 10 counts
ÁÁÁÁÁ
–1002.0 V
ÁÁÁÁÁÁÁ
ÁÁÁÁ
–998.0 V
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